The Filter,fluid, cataloged under National Stock Number 4330-00-202-5552, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Kidde-Fenwal, Llc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-00-202-5552 |
| Primary Part Number | 840473 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Kidde-Fenwal, Llc |
| Status | ACTIVE |
| Filtering Media Design | MOLDED SINGLE FILTERING MEDIA RESPONSE |
| Design Type | REUSABLE |
| Body Width | 1.125 INCHES NOMINAL IN |
| Body Height | 1.125 INCHES NOMINAL IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Body Length | 4.375 INCHES NOMINAL IN |
| Material | COPPER ALLOY FILTERING MEDIUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 840473 PRIMARY | Kidde-Fenwal, Llc (USA) |
NSN 4330-00-202-5552 is a Filter,fluid, manufactured by Kidde-Fenwal, Llc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-00-202-5552 has 1 manufacturer part number on file: 840473 (Kidde-Fenwal, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-931-0329. Verify interchangeability with system specifications before substitution.
Key specifications for 840473: Filtering Media Design: MOLDED SINGLE FILTERING MEDIA RESPONSE; Design Type: REUSABLE; Body Width: 1.125 INCHES NOMINAL IN; Body Height: 1.125 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.